Question

Rujaan, a student of class XII, has recently joined a gym near his house to get a toned and muscular body. He consults his gym trainer regarding his diet and is advised to increase the intake of protein in his diet.

Based on this, choose the correct options:

1. Proteins are also known as ______.

1. Nitrogenous food
2. Body building food
3. Fatty food
4. Both Nitrogenous food and Body building food

2. Deficiency of protein can cause ______.

1. Rickets
2. Kwashiorkor
3. Scurvy
4. Night blindness

3. Basic structure of protein is made up of:

1. Carbon, oxygen, hydrogen and nitrogen
2. Hydrogen and oxygen
3. Carbon, hydrogen and oxygen
4. Carbon and nitrogen

4. Which of the following is the main function of proteins in the human body?

1. Providing instant energy
2. Regulating body temperature
3. Growth and repair of body tissues
4. Preventing dehydration

Answer 1

1. Proteins are also known as body building food.
   Explanation: Proteins are commonly called body-building foods because they help build and repair body tissues. 
2. Deficiency of protein can cause kwashiorkor.
   Explanation: Kwashiorkor is a disease caused by protein deficiency. Rickets, scurvy and night blindness are associated with deficiencies of vitamins D, C and A respectively.
3. Carbon, oxygen, hydrogen and nitrogen
4. Growth and repair of body tissues
   Explanation: Proteins are essential for the growth, repair and maintenance of body tissues. Temperature regulation and fluid balance are not their main functions.